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ISL6421AERZ - Renesas Electronics

Description: The ISL6421A is a highly integrated solution for providing power and control signals from advanced satellite set-top box (STB) modules to the low noise block (LNB). The internal architecture of this device contains a current-mode boost PWM and a low-noise linear regulator, along with the circuitry required for I2C device interfacing and for providing DiSEqC™ standard control signals to the LNB. A regulated output voltage is available at the output terminal (VOUT) to support the operation of the antenna port

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Symbol
ISL6421AERZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL6421AERZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L32.5x5
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3D Models
ISL6421AERZ - Renesas Electronics - 3D model - Quad Flat No-Lead - L32.5x5
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ISL6421AERZ Details

  • Manufacturer Part Number:

    ISL6421AERZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    L32.5X5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Date Of Intro:

    2017-11-02

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    14 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    8 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    240 kHz

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    5 mm

ISL6421AERZ Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the ISL6421AERZ involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it is recommended to place the device near the power source and to use a low-ESR capacitor for the output filter.
  • The selection of input and output capacitors for the ISL6421AERZ depends on the specific application requirements. In general, it is recommended to use low-ESR capacitors with a high ripple current rating. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides guidelines for capacitor selection, but it is recommended to consult with a capacitor manufacturer for specific recommendations.
  • The maximum ambient temperature range for the ISL6421AERZ is -40°C to +85°C. However, the device can operate at a higher temperature range with derating. It is recommended to consult the datasheet for specific temperature derating information.
  • To troubleshoot issues with the ISL6421AERZ, it is recommended to follow a systematic approach. First, verify that the device is properly powered and that the input voltage is within the recommended range. Next, check the output voltage and current to ensure they are within the recommended range. If the issue persists, check the layout and placement of the device and capacitors to ensure they meet the recommended guidelines. Finally, consult the datasheet and application notes for specific troubleshooting guidance.
  • Yes, the ISL6421AERZ is suitable for use in high-reliability and automotive applications. The device is built with high-reliability materials and manufacturing processes, and it meets the requirements of various automotive standards, such as AEC-Q100. However, it is recommended to consult with Renesas Electronics Corporation for specific information on the device's reliability and qualification for automotive applications.

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ISL6421AERZ Overview

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